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| English | Chinese |
| air attack base | 空中进攻基地 |
| data base A computerized compilation of data, facts and records that is organized for convenient access, management and updating | 数据库 (运用电脑化的方式编辑数据、事实和记录，并将其组织成可方便存取、管理和更新的格式。) |
| landfill base sealing Sealing of a landfill with a relatively impermeable barrier designed to keep leachate inside. Liner materials include plastic and dense clay | 垃圾填埋场密封 (用相对不可渗透的屏障物体将垃圾填埋场封闭，旨在保持渗滤液不外泄。屏障材料包括塑料和致密粘土。) |